A common social and political hierarchy seen in medieval Europe, Japan, and in various middle schools across the country. A king gives land to his vassals or knights and nobles who in turn give their land to peasants or serfs. In the end, everyone is under the control of several people and must pay them money and homage.

Bob: Dude Joe, give me five bucks, or I'll shun you!
Joe: *quickly gives Bob five bucks*
Fred: Bob break up with your girlfriend and give me five bucks. Joe, you can give me five bucks too, or I will shun both of you!
Bob: *breaks up with girlfriend and give Fred five bucks*
Joe: *Gives Fred five bucks*